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pro vyhledávání: '"T, C."'
We determine the $\theta$ dependence of the confinement-deconfinement transition temperature $T_c$ for the 4d SU(2) pure Yang-Mills theory. We perform lattice numerical simulations on three spatial sizes $N_S=24$, $32$, $48$ with a fixed temporal siz
Externí odkaz:
http://arxiv.org/abs/2411.00375
Autor:
Núñez-Regueiro, Manuel, Devillers, Thibaut, Beaugnon, Eric, de Marles, Armand, Crozes, Thierry, Pairis, Sébastien, Swale, Christopher, Klein, Holger, Leynaud, Olivier, Hadj-Azzem, Abdelali, Gay, Frédéric, Dufeu, Didier
It has been claimed that graphite hosts superconductivity at room temperature, although all efforts to isolate it have been vain. Here we report a separation method that uses magnetic field gradients to sort the superconducting from normal grains out
Externí odkaz:
http://arxiv.org/abs/2410.18020
In iron-based superconductors (FeSCs), the interplay between electronic nematicity and superconductivity is essential for understanding the exotic superconducting ground state. In the nematic regime, uniaxial-strain ($\varepsilon$) tuning of the supe
Externí odkaz:
http://arxiv.org/abs/2410.13319
We perform first-principles electron-phonon calculations to evaluate the superconducting transition temperature $T_c$ for ternary superhard metals B$_2$C$_3$N and B$_4$C$_5$N$_3$. These materials are predicted to exhibit a wide distribution of electr
Externí odkaz:
http://arxiv.org/abs/2410.02104
The dispersionless limit of the standard Eliashberg theory of superconductivity is studied. The effective electron-electron interactions are mediated by Einstein phonons of frequency $\Omega>0$, equipped with electron-phonon coupling strength $\lambd
Externí odkaz:
http://arxiv.org/abs/2409.02121
The standard Eliashberg theory of superconductivity is studied. The effective electron-electron interactions are mediated by dispersive phonons, with Eliashberg spectral function $\alpha^2 F(\omega)\geq 0$ that is $\propto\omega^2$ for small $\omega>
Externí odkaz:
http://arxiv.org/abs/2409.00532
Using the recent reformulation for the Eliashberg theory of superconductivity in terms of a classical interacting Bloch spin chain model, rigorous upper and lower bounds on the critical temperature $T_c$ are obtained for the $\gamma$ model -- a versi
Externí odkaz:
http://arxiv.org/abs/2409.00533